SC 13G/A | SEC Filings Hub

Filing metadata

Accession number: 0000905148-12-000356
Form type: SC 13G
Filer: ALEXION PHARMACEUTICALS INC
CIK: CIK 899866
Filed: Feb 13, 2012
Reporting period: Dec 31, 2007
Description: Passive 5%+ stake

Documents

0000905148-12-000356-index.htm

Complete submission

0000905148-12-000356.txt

directory listing

Filed by

ALEXION PHARMACEUTICALS INC